Bissau
Guinea-Bissau
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Bissau, Guinea-Bissau

Trees along the golden sandy shores of Bijagos Islands in Bissau, Guinea Bissau in West Africa, with ships sailing on the calm waters under clear blue skies
Trees along the golden sandy shores of Bijagos Islands in Bissau, Guinea Bissau in West Africa, with ships sailing on the calm waters under clear blue skies
April, like March, is another tropical spring month in Bissau, Guinea-Bissau, with average temperature fluctuating between 20.6°C (69.1°F) and 33.3°C (91.9°F).
The ideal sea water temperature of 25.9°C (78.6°F) and only 1 rainfall days, with 0.8mm (0") of accumulated rainfall, make April the best time for swimming and other water activities.

Temperature

In April, the average high-temperature is almost the same as in March - a still hot 33.3°C (91.9°F). In Bissau, in April, the average low-temperature is 20.6°C (69.1°F).

Rainfall

In April, in Bissau, Guinea-Bissau, the rain falls for 1 days. Throughout April, 0.8mm (0") of precipitation is accumulated. In Bissau, during the entire year, the rain falls for 86 days and collects up to 2022.8mm (79.6") of precipitation.

Sea temperature

In April, the average sea temperature is 25.9°C (78.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Bissau, the average length of the day is 12.4h.

Sunshine

Months with the most sunshine are March and April, with an average of 9h of sunshine.

UV index

Months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 in April interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in April in Bissau?

In Bissau, in April, the average high-temperature is 33.3°C (91.9°F), and the average low-temperature is 20.6°C (69.1°F).

How many days does it rain in April in Bissau?

In Bissau, Guinea-Bissau, in April, during 1 rainfall days, 0.8mm (0") of precipitation is typically accumulated.

How warm is the water in April in Bissau?

In April, the average sea temperature is 25.9°C (78.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Bissau have in April?

In Bissau, the average length of the day in April is 12.4h.

What are the months with the most sunshine in Bissau?

Months with the most sunshine are March and April, with an average of 9h of sunshine.

How many hours of sunshine does Bissau have in April?

The average sunshine in April is 9h.

What is the month with the highest UV index in Bissau?

Months with the highest UV index in Bissau are February through September, with an average maximum UV index of 12.

What is the UV index intensity in April in Bissau?

In Bissau, the average daily maximum UV index in April is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Bissau, Guinea-Bissau
  • Average high temperature in April: 33.3°C

The warmest month (with the highest average high temperature) is March (33.9°C).
The month with the lowest average high temperature is July (29.4°C).

  • Average low temperature in April: 20.6°C

Months with the highest average low temperature are June, July, August, September and October (22.8°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).

Average rainfall in April - Bissau, Guinea-Bissau
  • Average rainfall in April: 0.8mm

The wettest month (with the highest rainfall) is August (682.5mm).
Driest months (with the lowest rainfall) are January and March (0.5mm).

Average rainfall days in April - Bissau, Guinea-Bissau
  • Average rainfall days in April: 1 days

The month with the highest number of rainy days is August (22 days).
Months with the lowest number of rainy days are January, February and March (0 days).

Average sea temperature in April - Bissau, Guinea-Bissau
  • Average sea temperature in April: 25.9°C

Best months for swimming (with the highest average sea temperature) are October and November (28.8°C).
The coldest month (with the lowest average sea temperature) is February (24.8°C).

Average daylight in April / Average sunshine in April - Bissau, Guinea-Bissau
  • Average daylight in April: 12.4h

The month with the longest days is June (Average daylight: 12.8h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in April: 9h

Months with most sunshine are March and April (Average sunshine: 9h).
The month with least sunshine is August (Average sunshine: 5h).

Average UV index in April - Bissau, Guinea-Bissau
  • Average UV index in April: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).